(共18张PPT)
Teaching aims:
Talk about water pollution, air pollution, noise pollution.
Think of ways of protecting our earth.
Air Pollution
Noise Pollution
Water Pollution
What caused air pollution
burn coal
smoke
automobile exhaust
What caused noise pollution
talk phone
loudly in public
build house
sing songs
How about water pollution
Factories put waste into the river.
throw litter into the river
1a
Here are some words related to different kinds of pollution. Write them in the box below. Then add more words.
noise pollution
____________
____________
____________
____________
air pollution
___________
___________
___________
___________
water pollution
____________
____________
____________
____________
loud music
planes
mobile phones
factories
cars
smoking
ships
factories
littering
rubbish
building houses
building houses
loud music cars rubbish planes
littering ships factories smoking
building houses mobile phones
1b
Listen and complete the sentences.
What was the problem
The river was _____________. Even the bottom of the river was full of
_________. There were no more ______ for fishermen to catch.
really dirty
rubbish
fish
What caused the problem
People are throwing _______ into the
river. Factories are putting ______ into
the river.
How should the problem be solved
We should write to the ____________ and ask them to ___________ the factories. Everyone should help to __________ the river.
litter
waste
government
close down
clean up
What other ways can we do to protect our earth
Do you love our earth
Do you take your own bag when you go shopping
Do you often write on both sides of a a piece of
paper
Do you throw your old clothes away
Do you throw away bottles after you drink
Make conversations using the pollution in 1a.
The river has always been the nicest river in this town.
Yes, it used to be so clean.
1.There _______ a clean river in front of our house, but it is filled with rubbish no
A. used to have B. used to having
C. used to being D. used to be
2. You should ____ if you find litter on the floor.
A. clean up it B. clean up them
C. clean it up D. clean them up
3. Although Jason loves KFC, he tries _______ it
too often.
A. to eat B. not eat C. to not eat D. not to eat
4. look! The students ______ rubbish in the bins.
A. are throwing B. threw C. have throwing D. will throw
Homework
Finish the exercises.
Write a proposal(倡议书) on the environmental protection.
